{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x328c6151f06303566f5aab7616560bba751ba99bf3aa9ead8d33df866d3c6858",
    "signature": "0xd5f6a3f8c3ea424dbc9538483a781f64536342be2e56518dd6bda393ba244830487ae86997232456cfd3628f29b3f8b60f8c4e0e2fddec29eaef9b6adbdd24fe1b",
    "signer": "0x6A72813Fa8AA17b1147243997B76e8191475e74a",
    "userId": "958967279"
  }
}